This year's project is meant to capitalize on the work of others. Your task is to review an astronomy app and tell us:

What operating systems is it for
What does it do
How much does it cost
Rating on the relevant app store as of date
Evaluate it - give marks for
Ease of use
Content accuracy
Audience - beginners or expert? student or pro?
Would you recommend others in the class download it?
General Comments - Is it worth the memory/cost/time?

Save your entry on the APPS page.